000 00517nam a2200097Ia 4500
008 170517s9999 xx 000 0 und d
245 _aSupervolcanoes
300 _aIn 1971 heavy rain fell across much of East Nebraska. In the summer paleontologist Mike Voorhies traveled to the farmland around the Midwest town of Orchard. What he was to discover exceeded his wildest dreams. It was a sight of sudden prehistoric disaster. Voorhies’...
650 _xNature.
856 _uhttp://topdocumentaryfilms.com/supervolcanoes/
999 _c333682
_d333682